<a-dropdown v-if="menuItems" :trigger="['click']" class="dropdown-menu">
  <a href="javascript:;">
    <a-icon type="menu" />
  </a>
  <a-menu slot="overlay">
    <a-menu-item v-for="menuItem in menuItems" :key="menuItem.key">
      <a-button :disabled="menuItem.disabled" @click="onMenuClick(menuItem)" type="primary">
        {{ menuItem.title }}
      </a-button>
    </a-menu-item>
  </a-menu>
</a-dropdown>
